Analysis
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max time kernel
300s -
max time network
283s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
30-05-2024 22:44
Static task
static1
Behavioral task
behavioral1
Sample
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe
Resource
win10-20240404-en
General
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Target
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe
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Size
4.7MB
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MD5
a6530f7fccf0f218f7a4af9da5cd27a2
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SHA1
39cac9c29a3351b06948bb3500af9d35e1cd6f49
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SHA256
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee
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SHA512
b8bfedca1cce2963da035400edee8a1f2b5abfe937766e82b8341fb4361c51d80fc59fa7702028819b05b0c42f80c3e48769e48472bdd6b666e89701c14b782a
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SSDEEP
98304:m6r2ClteqE0yS/ZjWItTxssJtYkjFTt660tgKVhg9BjiX7:UClthE0dJWcx5JtYQTt65gKVh17
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1824-82-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmpstereotool.exestereotool.exepid process 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp 3152 stereotool.exe 1824 stereotool.exe -
Loads dropped DLL 1 IoCs
Processes:
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmppid process 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 91.211.247.248 Destination IP 152.89.198.214 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmppid process 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmpdescription pid process target process PID 4092 wrote to memory of 4476 4092 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp PID 4092 wrote to memory of 4476 4092 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp PID 4092 wrote to memory of 4476 4092 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp PID 4476 wrote to memory of 3152 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp stereotool.exe PID 4476 wrote to memory of 3152 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp stereotool.exe PID 4476 wrote to memory of 3152 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp stereotool.exe PID 4476 wrote to memory of 1824 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp stereotool.exe PID 4476 wrote to memory of 1824 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp stereotool.exe PID 4476 wrote to memory of 1824 4476 34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp stereotool.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe"C:\Users\Admin\AppData\Local\Temp\34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Users\Admin\AppData\Local\Temp\is-6VQQE.tmp\34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp"C:\Users\Admin\AppData\Local\Temp\is-6VQQE.tmp\34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp" /SL5="$5022E,4628178,54272,C:\Users\Admin\AppData\Local\Temp\34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe" -i3⤵
- Executes dropped EXE
PID:3152
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C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe" -s3⤵
- Executes dropped EXE
PID:1824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.8MB
MD5b456899e6cdb5365b53ed23f16ada051
SHA175259f02a9b2ae79e78c63ae0b285d3a56f18f7b
SHA2560da4a4090ea8897d89f1fdef3d70bf0583a3e2482a43bddc734cd15e0473de4d
SHA512539f3fbe5983682d8c200b295b28c09dfadef866b5c601d8424baf9143b1eca164bd828edfe0db6dad5eff1acb551556651399aa03b8206f0d4721e35ea63370
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C:\Users\Admin\AppData\Local\Temp\is-6VQQE.tmp\34cc2dd0f85e4db270494768f028005f6b02dcf538c6dfa88fb37527c0a30aee.tmp
Filesize680KB
MD58a85b1ddd1106975b1418948a8bc4f9d
SHA1d9f2a539d7bb29c409fba292f65cb38667b6c9da
SHA2561a11e65130222c61879e0f84db1cf506ae75f5087e23cd1f87f9d325878b277d
SHA512512f97cdfbe611b058b4b2472389ef70d712e319f7aa98f01d0f440390a7b6c0783ce5733cf70dd5d89091a264a2a527bed8b5e9c4e2c51c6c9299a8116f0a99
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63